C++11 is the name of the C++ standard, approved in 2011. It replaces the previous C++03 standard, adding various core language changes and fixes, and an improved and expanded standard library.
Questions tagged [c++11]
176 questions
15
votes
2 answers
Who is to blame for this range based for over a reference to temporary?
The following code looks rather harmless on first sight. A user uses the function bar() to interact with some library functionality. (This may have even worked for a long time since bar() returned a reference to a non-temporary value or similar.)…
hllnll
- 199
3
votes
2 answers
New C++11 analogous to python 2 ->3?
I'm a Python2 developer and I just ordered The C++ programming language, 4th edition, from Bjarne Stroustrup's, to learn C++11. But right after I ordered it, I started to wonder if I made a mistake. Are the changes made to C++ in C++11 analogous to…
c-o-d
- 247
1
vote
2 answers
operator"" in modern C++
I took an example I found on-line whereby a constexpr of the form _binary could be evaluated at compile time as an unsigned long long and then I tried to generalize it for any base from 2 to 36. For instance, 17b1234_baseChange would be evaluated…
1
vote
2 answers
Is it bad form to break out of Range-based for
I have a range-based for that operates over a std::vector of objects (items), like so:
for(auto item : itemCollection)
{
if(!item.some_check(...))
{
// do 5% stuff
break;
}
// do the 95% stuff
}
Most of the time (>95%) the…
Bhargav
- 306
1
vote
1 answer
argument grouping with parenthesis are valid in C++?
On python I can group arguments into a tuple, something like
def func((a, b, c, d), x):
print a, b, c, d, x
I was wondering if it is possible to group arguments in the same way on C++, something like:
void func((int a, int b, int c, int d),…
shackra
- 113
0
votes
2 answers
What is the minimum now() functionality required for std::chrono clocks
I would like to use std::chrono::time_point in some simulation software I am writing. I would like to take advantage of features like the time point arithmetic functions. However, I run into a snag. I need to define a clock to use with my time…
Cort Ammon
- 10,962
0
votes
1 answer
Dynamically discovering field usages for validation
Thanks for reading my question.
I have a class which reads a configuration and based on the configuration, populates a data structure by reading from a database, which is ultimately presented to a processing layer that makes use of the data for…
Sampath
- 119